Kinesis vs Kafka
AWS-native data streaming versus open-source distributed event log.
Overview
What is being compared
Amazon Kinesis Data Streams is a fully managed streaming service tied into AWS. Apache Kafka, also available as MSK, is the open-source standard for high-throughput event streaming. Both serve similar use cases; they differ in integration, operational model and portability.
- Nature — AWS-proprietary managed service — Open-source standard
- Operations — Fully managed, no cluster — Brokers to run, or managed by MSK
- Unit of scale — Shard — Partition
- Ecosystem — Lambda, Firehose, Kinesis Data Analytics (Flink) — Kafka Connect, Kafka Streams, ksqlDB
- Portability — AWS only — Multi-cloud or hybrid
Who does each job
Green cells are run for you by AWS, yellow cells are yours to build, run or size, and grey cells have no equivalent.
> [!TIP] The two pipelines side by side, how keys stay in order and consumers read, and the choice between them play step by step in Visual Explanation below.
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